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September 7, 2026

Technical Support Engineer

Mid • On-site

Zagreb, Croatia

Contract: B2B long-term cooperation, up to 12 months, with possible extensions

Working model: Onsite

Working hours: 08:00–16:30

Summary

The Technical Support Engineer role focuses on providing in-depth support and troubleshooting for complex technical issues, ensuring seamless software deployment, maintaining documentation, and collaborating with L1 and L3 support teams.

Responsibilities

  • Support L3 teams with complex troubleshooting.
  • Analyze, troubleshoot, and resolve tickets escalated by Support L1 teams.
  • Test and deploy software releases and patches.
  • Perform validation tests, including load, performance, high-availability, accuracy, and security tests.
  • Investigate issues by analyzing logs during test execution and report incidents through a configuration management tool.
  • Produce and update documentation for installation, testing, operations, and administration.
  • Maintain documentation, troubleshooting guides, and knowledge base articles.
  • Support the Service Delivery team with specific technical requests.
  • Ensure SLA compliance and timely issue resolution.

Key Requirements

  • Strong knowledge of Linux: Red Hat, CentOS, and Debian.
  • Strong knowledge of Windows Server: 2016, 2019, and 2022.
  • Good relational database knowledge: MSSQL, PostgreSQL, Oracle, and MongoDB.
  • Good scripting knowledge: Python, PowerShell, and Bash.
  • Good understanding of network protocols and security: TCP/IP, HTTP, and TLS.
  • Knowledge of virtualization technologies: OpenStack, VMware, and Kubernetes.
  • Knowledge of testing and monitoring tools: SOAPUI, Postman, Zabbix, Grafana, and Prometheus.
  • Familiarity with ticketing and collaboration tools: Salesforce, Jira, and Confluence.
  • Knowledge of DevSecOps tools and CI/CD: Jira, Testlink, Jenkins, Ansible, and Terraform.

Nice to Have

  • Ability to read Java and/or JavaScript code.
  • Advanced knowledge of automation in testing and deployment processes.
  • Experience in a customer-focused environment.
  • Prior experience in DevOps roles.
  • Certifications in relevant technologies, such as AWS or Azure.

Other Details

  • Team structure: Support and Service Delivery teams.
  • Operational context: Fast-paced technical support environment.
  • Tools and methodologies: Configuration management, documentation tools, and troubleshooting guides.

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